VIEWS: 17 PAGES: 6 POSTED ON: 9/29/2012
Direct Effects and Indirect Action of Ionizing Radiation on Cellular Biology Direct Effects When ionizing radiation directly acts on a cell it can strike the DNA, which is a key molecule in the cell. When DNA sustains a direct hit that hit can be fatal or alter the DNA’s behavior by causing chromosome breakage. Chromosomal Damage When the chromosome is damaged, the alterations can cause mutations. Those mutations can result in cancer which could in turn result in the death of the individual. Indirect action Indirect action is the ionizing action that interacts with water inside the body. Indirect action is particularly damaging because it induces radiolysis of water. Radiolysis of Water During radiolysis of water, free radicals are formed. Free radicals are electrophilic and skip around inside the body causing damage as they go. Effects on The Population Alenka, who was born in Belarus in 1984, has sustained many surgeries from the effects of ionizing radiation suffered in the aftermath of Chernobyl.
"Direct Effects and Indirect Action of Ionizing Radiation on Cellular "